def get_formatted_name(first_name,last_name):
    """返回规范格式的姓名"""
    full_name=f'{first_name} {last_name}'
    return full_name.title()
while True:
    print('\nPlease tell me your name:')
    print('(enter "q" at any time to quit)')
    f_name = input("First name: ")
    if f_name == 'q':
        break
    l_name = input("Last name: ")
    if l_name == 'q':
        break
    formatted_name=get_formatted_name(f_name,l_name)
    print(f'\nHello ,{formatted_name}!')
